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<pre><code><span id="1" class="l"><a class="l" href="#1"> 1: </a><span class="xlang">&lt;?php</span>
</span><span id="2" class="l"><a class="l" href="#2"> 2: </a><span class="php-comment">/**
</span></span><span id="3" class="l"><a class="l" href="#3"> 3: </a><span class="php-comment"> * Description of GestorModelo
</span></span><span id="4" class="l"><a class="l" href="#4"> 4: </a><span class="php-comment"> *
</span></span><span id="5" class="l"><a class="l" href="#5"> 5: </a><span class="php-comment"> * @author BRC
</span></span><span id="6" class="l"><a class="l" href="#6"> 6: </a><span class="php-comment"> */</span>
</span><span id="7" class="l"><a class="l" href="#7"> 7: </a><span class="php-keyword1">require_once</span> <span class="php-quote">'./Modelo.php'</span>;
</span><span id="8" class="l"><a class="l" href="#8"> 8: </a>
</span><span id="9" class="l"><a class="l" href="#9"> 9: </a><span class="php-keyword1">class</span> <a id="GestorModelo" href="#GestorModelo">GestorModelo</a> {
</span><span id="10" class="l"><a class="l" href="#10">10: </a>    
</span><span id="11" class="l"><a class="l" href="#11">11: </a>    <span class="php-comment">// --- OPERATIONS ---</span>
</span><span id="12" class="l"><a class="l" href="#12">12: </a>    <span class="php-keyword1">public</span> <span class="php-keyword1">static</span> <span class="php-keyword1">function</span> <a id="_getListaModelos" href="#_getListaModelos">getListaModelos</a>(<span class="php-var">$modelo</span>){
</span><span id="13" class="l"><a class="l" href="#13">13: </a>        <span class="php-var">$id_marca</span> = <span class="php-var">$modelo</span>-&gt;getId_marca();
</span><span id="14" class="l"><a class="l" href="#14">14: </a>        <span class="php-keyword1">echo</span> <span class="php-quote">&quot;id_marca&quot;</span>.<span class="php-var">$id_marca</span>;
</span><span id="15" class="l"><a class="l" href="#15">15: </a>        <span class="php-var">$id_cenergetica</span> = <span class="php-var">$modelo</span>-&gt;getId_cenergetica();
</span><span id="16" class="l"><a class="l" href="#16">16: </a>        <span class="php-keyword1">echo</span> <span class="php-quote">&quot;id_cenergetica&quot;</span>.<span class="php-var">$id_cenergetica</span>;
</span><span id="17" class="l"><a class="l" href="#17">17: </a>        <span class="php-var">$consumo</span> = <span class="php-var">$modelo</span>-&gt;getConsumo();
</span><span id="18" class="l"><a class="l" href="#18">18: </a>        <span class="php-keyword1">echo</span> <span class="php-quote">&quot;consumo&quot;</span>.<span class="php-var">$consumo</span>;
</span><span id="19" class="l"><a class="l" href="#19">19: </a>        <span class="php-var">$emision</span> = <span class="php-var">$modelo</span>-&gt;getEmision();
</span><span id="20" class="l"><a class="l" href="#20">20: </a>        <span class="php-keyword1">echo</span> <span class="php-quote">&quot;emision&quot;</span>.<span class="php-var">$emision</span>;
</span><span id="21" class="l"><a class="l" href="#21">21: </a>        <span class="php-comment">//Establezco una conexión con la base de datos</span>
</span><span id="22" class="l"><a class="l" href="#22">22: </a>        <span class="php-var">$db</span> = <span class="php-keyword1">new</span> mysqli(<span class="php-quote">'localhost'</span>, <span class="php-quote">'usuario_brc'</span>, <span class="php-quote">'QsWzxbJTdZ4NPhpj'</span>, <span class="php-quote">'co01_coches'</span>);
</span><span id="23" class="l"><a class="l" href="#23">23: </a>        <span class="php-keyword1">if</span>(<span class="php-var">$db</span>-&gt;connect_errno &gt; <span class="php-num">0</span>){
</span><span id="24" class="l"><a class="l" href="#24">24: </a>            <span class="php-keyword1">die</span>(<span class="php-quote">'Unable to connect to database ['</span> . <span class="php-var">$db</span>-&gt;connect_error . <span class="php-quote">']'</span>);
</span><span id="25" class="l"><a class="l" href="#25">25: </a>        }     
</span><span id="26" class="l"><a class="l" href="#26">26: </a>        <span class="php-comment">//Construyo la sentencia SQL segun criterios de búsqueda</span>
</span><span id="27" class="l"><a class="l" href="#27">27: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$id_marca</span>!=-<span class="php-num">1</span>){
</span><span id="28" class="l"><a class="l" href="#28">28: </a>            <span class="php-keyword1">if</span> (<span class="php-var">$consumo</span>!=-<span class="php-num">1</span>){  
</span><span id="29" class="l"><a class="l" href="#29">29: </a>                <span class="php-keyword1">if</span> (<span class="php-var">$emision</span>!=-<span class="php-num">1</span>){  
</span><span id="30" class="l"><a class="l" href="#30">30: </a>                    <span class="php-keyword1">if</span> (<span class="php-var">$id_cenergetica</span>!=-<span class="php-num">1</span>){  
</span><span id="31" class="l"><a class="l" href="#31">31: </a>                        <span class="php-comment">//Construyo la sentencia con marca,consumo,emision y clasificacion energetica</span>
</span><span id="32" class="l"><a class="l" href="#32">32: </a>                        <span class="php-var">$sql</span> = <span class="php-quote">&quot;SELECT MODELO,CONSUMO,EMISION,CENERGETICA 
</span></span><span id="33" class="l"><a class="l" href="#33">33: </a><span class="php-quote">                        from co01_modelos, co01_cenergeticas 
</span></span><span id="34" class="l"><a class="l" href="#34">34: </a><span class="php-quote">                        where ID_MARCA=</span><span class="php-var">$id_marca</span><span class="php-quote"> and
</span></span><span id="35" class="l"><a class="l" href="#35">35: </a><span class="php-quote">                        CONSUMO&lt;</span><span class="php-var">$consumo</span><span class="php-quote"> and
</span></span><span id="36" class="l"><a class="l" href="#36">36: </a><span class="php-quote">                        EMISION&lt;</span><span class="php-var">$emision</span><span class="php-quote"> and
</span></span><span id="37" class="l"><a class="l" href="#37">37: </a><span class="php-quote">                        ID_CENERGETICA=</span><span class="php-var">$id_cenergetica</span><span class="php-quote"> and
</span></span><span id="38" class="l"><a class="l" href="#38">38: </a><span class="php-quote">                        co01_modelos.id_cenergetica=co01_cenergeticas.id
</span></span><span id="39" class="l"><a class="l" href="#39">39: </a><span class="php-quote">                        LIMIT 0,20&quot;</span>;
</span><span id="40" class="l"><a class="l" href="#40">40: </a>                    } <span class="php-keyword1">else</span> { 
</span><span id="41" class="l"><a class="l" href="#41">41: </a>                        <span class="php-comment">//Construyo la sentencia con marca,consumo y emision</span>
</span><span id="42" class="l"><a class="l" href="#42">42: </a>                        <span class="php-var">$sql</span> = <span class="php-quote">&quot;SELECT MODELO,CONSUMO,EMISION,CENERGETICA 
</span></span><span id="43" class="l"><a class="l" href="#43">43: </a><span class="php-quote">                        from co01_modelos, co01_cenergeticas 
</span></span><span id="44" class="l"><a class="l" href="#44">44: </a><span class="php-quote">                        where ID_MARCA=</span><span class="php-var">$id_marca</span><span class="php-quote"> and 
</span></span><span id="45" class="l"><a class="l" href="#45">45: </a><span class="php-quote">                        CONSUMO&lt;</span><span class="php-var">$consumo</span><span class="php-quote"> and
</span></span><span id="46" class="l"><a class="l" href="#46">46: </a><span class="php-quote">                        EMISION&lt;</span><span class="php-var">$emision</span><span class="php-quote"> and
</span></span><span id="47" class="l"><a class="l" href="#47">47: </a><span class="php-quote">                        co01_modelos.id_cenergetica=co01_cenergeticas.id
</span></span><span id="48" class="l"><a class="l" href="#48">48: </a><span class="php-quote">                        LIMIT 0,20&quot;</span>;    
</span><span id="49" class="l"><a class="l" href="#49">49: </a>                    }
</span><span id="50" class="l"><a class="l" href="#50">50: </a>                } <span class="php-keyword1">else</span> {
</span><span id="51" class="l"><a class="l" href="#51">51: </a>                    <span class="php-comment">//Construyo la sentencia con marca y consumo</span>
</span><span id="52" class="l"><a class="l" href="#52">52: </a>                    <span class="php-var">$sql</span> = <span class="php-quote">&quot;SELECT MODELO,CONSUMO,EMISION,CENERGETICA 
</span></span><span id="53" class="l"><a class="l" href="#53">53: </a><span class="php-quote">                    from co01_modelos, co01_cenergeticas 
</span></span><span id="54" class="l"><a class="l" href="#54">54: </a><span class="php-quote">                    where ID_MARCA=</span><span class="php-var">$id_marca</span><span class="php-quote"> and 
</span></span><span id="55" class="l"><a class="l" href="#55">55: </a><span class="php-quote">                    CONSUMO&lt;</span><span class="php-var">$consumo</span><span class="php-quote"> and
</span></span><span id="56" class="l"><a class="l" href="#56">56: </a><span class="php-quote">                    co01_modelos.id_cenergetica=co01_cenergeticas.id
</span></span><span id="57" class="l"><a class="l" href="#57">57: </a><span class="php-quote">                    LIMIT 0,20&quot;</span>;  
</span><span id="58" class="l"><a class="l" href="#58">58: </a>                }
</span><span id="59" class="l"><a class="l" href="#59">59: </a>            } <span class="php-keyword1">else</span> {
</span><span id="60" class="l"><a class="l" href="#60">60: </a>                <span class="php-comment">//Construyo la sentencia con marca </span>
</span><span id="61" class="l"><a class="l" href="#61">61: </a>                <span class="php-var">$sql</span> = <span class="php-quote">&quot;SELECT MODELO,CONSUMO,EMISION,CENERGETICA 
</span></span><span id="62" class="l"><a class="l" href="#62">62: </a><span class="php-quote">                from co01_modelos, co01_cenergeticas 
</span></span><span id="63" class="l"><a class="l" href="#63">63: </a><span class="php-quote">                where ID_MARCA=</span><span class="php-var">$id_marca</span><span class="php-quote"> 
</span></span><span id="64" class="l"><a class="l" href="#64">64: </a><span class="php-quote">                LIMIT 0,20&quot;</span>; 
</span><span id="65" class="l"><a class="l" href="#65">65: </a>
</span><span id="66" class="l"><a class="l" href="#66">66: </a>            }
</span><span id="67" class="l"><a class="l" href="#67">67: </a>            
</span><span id="68" class="l"><a class="l" href="#68">68: </a>        }
</span><span id="69" class="l"><a class="l" href="#69">69: </a>        <span class="php-keyword1">echo</span> <span class="php-var">$sql</span>;
</span><span id="70" class="l"><a class="l" href="#70">70: </a>        <span class="php-var">$result</span> = <span class="php-var">$db</span>-&gt;query(<span class="php-var">$sql</span>);
</span><span id="71" class="l"><a class="l" href="#71">71: </a>        <span class="php-var">$db</span>-&gt;close();
</span><span id="72" class="l"><a class="l" href="#72">72: </a>        <span class="php-keyword1">return</span> <span class="php-var">$result</span>; 
</span><span id="73" class="l"><a class="l" href="#73">73: </a>    }
</span><span id="74" class="l"><a class="l" href="#74">74: </a>}
</span><span id="75" class="l"><a class="l" href="#75">75: </a>
</span><span id="76" class="l"><a class="l" href="#76">76: </a><span class="xlang">?&gt;</span>
</span><span id="77" class="l"><a class="l" href="#77">77: </a></span></code></pre>

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